FixVault
Home
›
Oldsmobile
›
1990
›
Custom Cruiser
›
Repair and Diagnosis
›
External Pages
›
Different car
›
Section 5 (Engine Controls - Tests W/Codes)
›
ECM Trouble Code Charts
›
ECM Code EO74: Mat Sensor Signal Interrupt
›
Test Conditions:
Test Conditions:
WARNING:
This page is about a different car, the 1990 Cadillac Seville and 1990 Cadillac Eldorado. However, it is still accessible from the selected car via links, so may be relevant.
Engine running.